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Cation
positive charge
Anion
negative charge
Polyatomic Ions
bonded atoms that gain a charge
NH4
Ammonium (+1)
H3O
Hydronium (+1)
CO3
Carbonate (-2)
CrO4
Chromate (-2)
Cr2O7
Dichromate (-2)
HPO4
Hydrogen Phosphate (-2)
HPO3
Hydrogen Phosphite (-2)
C2O4
Oxalate (-2)
O
Oxide (-2)
O2
Peroxide (-2)
SO4
sulfate(-2)
SO3
sulfite (-2)
S2O3
Thiosulfate(-2)
PO4
phosphate (-3)
PO3
Phosphite (-3)
C2H3O2
Acetate (-1)
CN
cyanide (-1)
H2PO4
Dihydrogen Phosphate (-1)
H2PO3
Dihydrogen Phosphite (-1)
H
Hydride (-1)
HCO3
Hydrogen Carbonate (Bicarbonate) (-1)
HSO4
Hydrogen sulfate (bisulfate) (-1)
HSO3
Hydrogen sulfite (bisulfite) (-1)
OH
Hydroxide(-1)
NO3
Nitrate (-1)
NO2
Nitrite (-1)
MnO4
Permanganate (-1)
SCN
Thiocynate (-1)
Halogen polyatomic ions
elements on column 17 of periodic table
___O4
Per____ate (-1)
___O3
____ate(-1)
_____O2
_____ite (-1)
_____O
Hypo_____ite (-1)
___
____ide (-1)
Halogens can bond with ____?
F (fluor), Cl (chlor), Br(brom), I (iod)
Note 
Flashcard (36)